The Energy Saving Trust recommends rolls of mineral wool insulation (270mm depth) between the joists on the loft floor ...

Some mortgage firms are reluctant to deal with homes with spray foam insulation due to concerns over poor fitting leaving moisture trapped and roof timbers ... in his loft, he thought it would ...

Area \(\percent\) heat loss Method How it works Roof 25 Insulate loft with mineral wool or fibre ... Walls 35 Cavity wall insulation fills the cavity between the outside walls with mineral wool ...